No More Learning

Except for
the summer journeys, which, from 1722 to 1725, may be presumed
to have furnished him with materials for that delightful and in-
valuable guidebook in three volumes, A Tour thro' the Whole Island
of Great Britain, and for short periods when he was           by the
stone, Defoe's old age, up to the autumn of 1729, must have been
that of an animated writing machine.